原题链接在这里:https://leetcode.com/problems/delete-nodes-and-return-forest/ 题目: Given the root of a binary tree, each node in the tree has a distinct ...
题目如下: Given therootof a binary tree, each node in the tree has a distinct value. After deletingall nodes with a value into delete, we are left with a forest adisjoint union of trees . Return the roots ...
2019-07-08 15:46 0 413 推荐指数:
原题链接在这里:https://leetcode.com/problems/delete-nodes-and-return-forest/ 题目: Given the root of a binary tree, each node in the tree has a distinct ...
Given the root of a binary tree, each node in the tree has a distinct value. After deleting all nodes with a value in to_delete, we are left ...
Given the head of a linked list and two integers m and n. Traverse the linked list and remove some nodes in the following way: Start ...
Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2-> ...
Count Complete Tree Nodes Given a complete binary tree, count the number of nodes. In a complete binary tree every level, except possibly the last ...
题目: Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list ...
原题地址:http://oj.leetcode.com/problems/swap-nodes-in-pairs/ 题意:将链表中的节点两两交换。Given 1->2->3->4, you should return the list as 2->1->4-> ...
In a forest, each rabbit has some color. Some subset of rabbits (possibly all of them) tell you how many other rabbits have the same color ...